What medical conditions can airlines reasonably ask a passenger about?

As a former BBC editor is denied boarding due to his lack of a medical note, the health requirements for flying appear to be ...
New York Post

American Airlines passenger duct-taped to seat for attacking flight attendant, threatening crew during bizarre midair outburst: feds

An American Airlines passenger was duct-taped to her seat as she allegedly attacked a flight attendant and erupted into a profanity-fueled tirade, bizarrely admitting to trying to poison her father.
Yahoo

American Airlines ordered to pay $11m after passenger suffered in-flight stroke

American Airlines has been ordered to pay $11m (£8.2m) in damages to a passenger who suffered a stroke on during a flight to Spain. Californian resident Jesus Plasencia was flying on flight AA68 from ...
USA Today

A passenger can't walk after suffering a stroke on a flight. His wife sued the airline.

A federal jury ordered American Airlines to pay $9.6 million to a passenger who suffered a paralyzing stroke on a 2021 flight. The lawsuit alleged the flight crew was negligent by not following ...